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Wood warping is a deviation from flatness in timber as a result of internal residual stress caused by uneven shrinkage. Warping primarily occurs due to uneven expansion or contraction caused by changes in moisture content.
The windows that classical DTW uses to constrain alignments introduce a step function. Any warping of the path is allowed within the window and none beyond it. In contrast, ADTW employs an additive penalty that is incurred each time that the path is warped. Any amount of warping is allowed, but each warping action incurs a direct penalty.
Preventive conservation involves the mitigation of potential threats to the stability of an artifact or specimen through a number of means. Threats such as fire, flood, natural disaster, physical force, and theft cannot be foreseen and inherent vice can only be addressed through prudent risk management, care, and handling of museum objects.
warp A distortion in a piece of lumber, such as a twist, cup or bow. warping waste Wood that will be removed in the finished work. It is often retained during working as a handle to conveniently hold and manipulate the portion being worked. wasting Quickly removing wood during carving, usually with an adze, knife, or rasp. wood
Conservation-restoration is the practice of cleaning and discovering the original state of an object, investigating the proper treatments and applying those treatments to restore the object to its original state without permanently altering the object, and then preserving the object to prevent further deterioration for generations to come (Caple, p. 5-6). [1]
A window is an opening in a wall, door, roof, or vehicle that allows the exchange of light and may also allow the passage of sound and sometimes air.Modern windows are usually glazed or covered in some other transparent or translucent material, a sash set in a frame [1] in the opening; the sash and frame are also referred to as a window. [2]
In geometric optics, distortion is a deviation from rectilinear projection; a projection in which straight lines in a scene remain straight in an image.It is a form of optical aberration that may be distinguished from other aberrations such as spherical aberration, coma, chromatic aberration, field curvature, and astigmatism in a sense that these impact the image sharpness without changing an ...
Window capping may provide a marginal increase in energy efficiency by decreasing the potential for drafts by providing an extra barrier between the exterior and the interior. The most common material used in residential window capping is factory painted aluminum. An alternative to factory painted aluminum is to use a vinyl coated aluminium ...